[ubuntu] Precise | Synaptic Install (no internet)

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http://ubuntuforums.org – I'm trying to uninstall the broadcom wifi drivers (bcmwl-kernal-source) on my dell inspiron 1501 so that I can install the correct drivers. The problem is I have no way of connecting to the internet to download synaptic package manager to do so. I have tried to manually install synaptic deb but I get an error "Dependency is not satisfiable: libept1.4.12". How else can I remove the bcmwl drivers without internet and Synaptic? Or how can I get synaptic installed manually? Thanks Dell Inspiron 1501 Ubuntu 12.04 b2 (Hardware)